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M107 project

Post questions and info about pneumatic (compressed gas) powered cannons here. This includes discussion about valves, pipe types, compressors, alternate gas setups, and anything else relevant.
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Unread postAuthor: Demon » Fri Apr 22, 2011 3:52 pm

I dont know yet.
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Unread postAuthor: warhead052 » Fri Apr 22, 2011 4:17 pm

Alright, well let us know when this thing is fully operational!
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Unread postAuthor: Demon » Fri Apr 22, 2011 6:08 pm

The valve is now fully operational.
At half its operating pressure, (5 Bar) and with a 15 centimeter barrel, it will throw out a marble fast enough for it to burry itself when it lands ( and making a loud "thud" sound when it does so).
It's also 100 % sealed.

I know I lack of photo updates and videos, but I promise I will do so when i will be completly done. I am a little bit against the clock.

Just so that you know, everything is going perfectly according to plan :)
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Unread postAuthor: Demon » Sat Apr 23, 2011 12:34 pm

[youtube]http://www.youtube.com/watch?v=FjfRJK13LOU[/youtube]

The only thing left now is the the bolt action and the realistic stock.
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Unread postAuthor: Demon » Wed Apr 27, 2011 4:36 pm

[youtube]http://www.youtube.com/watch?v=F1w0zVheYFI&feature=player_embedded[/youtube]

The structure body of the M82A1 is done, now only the asthetics are left.
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Unread postAuthor: warhead052 » Wed Apr 27, 2011 4:48 pm

Nice. That really is shaping up fast.
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Unread postAuthor: Demon » Wed Apr 27, 2011 8:30 pm

I have a little question :

Will plaster be adequate to fill the gaps between the coroplast plates ? I am afraid it might fall to bits or simply not stick to the plastic.

Anyone knows ?
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Unread postAuthor: warhead052 » Wed Apr 27, 2011 9:11 pm

Que JSR's answer... (will probably be use epoxy...)
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Unread postAuthor: Crna Legija » Wed Apr 27, 2011 10:50 pm

i used epoxy putty it fill in the cracks on my semi. works great and it strong.
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